Hi everyone, I am new user of the list, so I apologize in advance if the subject I want to ask has already discussed. I want to know the procedure for put a...
1118
Adrian MartÃnez V...
amvargas@...
Jul 27, 2003 12:12 pm
In GSLIB web page exist a link to download an postscript it work good and ease, look for gsv26550.exe in Google. ... of ... message ... -- * To post a message...
Good day to the Southern hemisphere ! I presume many are on holiday in the northern hemisphere, hence I hope to get more feedback from the South :) In a paper...
1120
Pierre Goovaerts
goovaert@...
Jul 28, 2003 9:22 am
Dear Gregoire, Although I am still living in the Northern hemisphere and today is my wedding anniversary, I will answer your question..:) In fact I have...
In the book "Geostatistics for Environmental Scientists" By Richard Webster & Margaret A. Oliver, Wiley (2000), one will find in page 180 a brief discussion on...
1122
Isobel Clark
drisobelclark@...
Jul 28, 2003 12:59 pm
Gregoire Thank you for pointing out the lognormal section in Webster & Oliver. I must confess I hadn't got round to looking at it in detail. Their...
1123
Kalle Kronholm
kronholm@...
Jul 29, 2003 8:00 am
Dear list members in both hemispheres; For my PhD thesis, I am studying the spatial variability of penetration resistance (a proxy for strength) in snow layers...
1124
Heuvelink, Gerard
Gerard.Heuvelink@...
Jul 29, 2003 8:00 am
Gregoire, I do not have the book with me right now, but what (you and) I do know is that ln(x)=ln(10)*log10(x) The difference is only a multiplication by a...
Hello again, Murray's reply to my question says it all. Thanks again a lot to Isobel Clark (special thanks for the nice explanation on the behaviour of the...
1126
Ruben Roa Ureta
rroa@...
Aug 5, 2003 7:04 am
... Asunto: Re: AI-GEOSTATS: Large sample size and normal distribution De: "Ruben Roa Ureta" <rroa@...> Fecha: Sat, 2 de Agosto de 2003, 5:22 pm Para:...
1127
Oliver Sonnentag
oliver.sonnentag@...
Aug 5, 2003 7:04 am
hello list, I have question regarding stratified (ordinary, simple, simple updating, etc.) kriging. when dividing my entire data set in different strata based...
1128
Chaosheng Zhang
Chaosheng.Zhang@...
Aug 5, 2003 7:04 am
Dear list, I'm wondering if anyone out there has the experience of dealing with the probability distribution of data sets of a large sample size, e.g., ...
1129
Isobel Clark
drisobelclark@...
Aug 5, 2003 7:04 am
Oliver We have had some success with 'modelling' stuff like soil types using indicator variables. This gives you a 'probability' map as to whether or not you...
1130
Pierre Goovaerts
goovaert@...
Aug 5, 2003 7:04 am
Hi Oliver, You are right that such stratified kriging will create discontinuities close to the boundaries and if it does not make sense you can always perform...
1131
Chris Lloyd
c.lloyd@...
Aug 7, 2003 7:21 am
Hello, I am currently using sequential Gaussian simulation (SGS) to generate microtopographic soil surfaces from sparse data. There are nearly 16000 ...
1132
Isobel Clark
drisobelclark@...
Aug 7, 2003 7:21 am
Chris Could I be incredibly obvious and suggest that, if you use Universal Kriging, the trend is fitted and simulated automatically with SGS. This is one of...
1133
Chris Lloyd
c.lloyd@...
Aug 7, 2003 11:29 am
Isobel, I've used universal kriging a lot in the past, but in this case I want to use a global trend and a small search neighbourhood (since I have nearly...
1134
Adrian Martínez Va...
amvargas@...
Aug 7, 2003 11:29 am
Hola Mail List Were can I fine information and freeware of plurigaussian simulations? King Regards Adrian Martínez Vargas ISMM, las Coloradas s/n Moa,...
1135
Adrian Martínez Va...
amvargas@...
Aug 7, 2003 11:29 am
Chris As have told you Isobel you can loos de main information that gave de SGS, that is the local variability. You most be careful of how mush spaced is your...
1136
Isobel Clark
drisobelclark@...
Aug 7, 2003 11:29 am
Adrian Thank you for the reminder of one of the strengths of Turning Bands. Certainly I have no argument with your points. However Chris' question was about...
1137
Isobel Clark
drisobelclark@...
Aug 7, 2003 4:48 pm
Chris We have always found that estimating the semi-variogram from the reiduals of a global trend was sufficient, provided care is taken to use the cross ...
Dear List-members, How can I program applications for ArcView GIS? The book "Statistical Analysis with ArcView GIS", by Jay Lee and David Wong comes with some...
1139
Steven Citron-Pousty
Steven.Citron-Pousty@...
Aug 7, 2003 4:48 pm
Ellen: AV8 use Visual Basic for Applications. There are really no good books out yet on programming in AV8, but plenty of good books on VBA. The geostats...
1140
Luigi Maiorano
maio1323@...
Aug 7, 2003 4:48 pm
Hi Ellen every program written for ArcView use the Avenue language (there is a lot of books from esri regarding avenue programming). However, ArcGis 8.x uses...
1141
Harris, Allan
Allan.Harris@...
Aug 7, 2003 4:48 pm
Ellen, ArcView 3.x uses ESRI's "Avenue" programming lanquage, there are several good books and online courses provided by/from ESRI. Allan C. Harris -...
1142
Wes Highfield
highfield@...
Aug 7, 2003 4:48 pm
I have a point data set (~150k records) that contains a ratio variable (percentages, both positive and negative) that I would like to run a local cluster...
1143
Wilmer Rivers
Wilmer@...
Aug 8, 2003 7:13 am
Ellen, As other list members have already told you, (1) ArcView 3.x is programmed in ESRI's own "Avenue" language, but (2) ArcView 8.x (and the other ArcGIS...
1144
Heinz Burger
hburger@...
Aug 8, 2003 12:27 pm
Hi, Adrian - see text book by M. Armstrong, Galli et. al: Plurigaussian simulation in geosciences.- Springer Verlag 2003, including CD with demo-software. or ...
1145
Ruben Roa Ureta
rroa@...
Aug 10, 2003 4:10 pm
... and have got several good replies from Isobel Clark, Ned Levine, Ruben Roa Ureta, Thies Dose, Chris Hlavka, Donald Myers and Jeffrey Blume. Jeffrey is...
1146
Chaosheng Zhang
Chaosheng.Zhang@...
Aug 10, 2003 4:10 pm
Dear All, One week ago I posted a question about large n and normal distritbuion, and have got several good replies from Isobel Clark, Ned Levine, Ruben Roa...
